20137397

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 26265600

約数和(自身を除く): 6128203

約数列:

[1, 7, 19, 23, 29, 133, 161, 203, 227, 437, 551, 667, 1589, 3059, 3857, 4313, 4669, 5221, 6583, 12673, 30191, 36547, 46081, 88711, 99199, 125077, 151409, 694393, 875539, 1059863, 2876771, 20137397]

約数ペア:

[(1, 20137397), (7, 2876771), (19, 1059863), (23, 875539), (29, 694393), (133, 151409), (161, 125077), (203, 99199), (227, 88711), (437, 46081), (551, 36547), (667, 30191), (1589, 12673), (3059, 6583), (3857, 5221), (4313, 4669)]